Protective case for a watch



FIG. 1 is a front view of a protective case for a watch showing the new design;

FIG. 2 is a back view thereof;

FIG. 3 is a left-side view thereof;

FIG. 4 is a right-side view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof;

FIG. 7 is a top-left perspective view thereof;

FIG. 8 is a back, left-side and bottom perspective view thereof; and,

FIG. 9 is a back, left-side and bottom perspective view of an enlarged portion taken from FIG. 8 .

The broken lines are included for the purpose of illustrating portions of the article and forms no part of the claimed design. The dash-dot lines are included to show the boundary of the claimed design, and forms no part of the claimed design. 

CLAIM The ornamental design for a protective case for a watch, as shown and described. 